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author:

卓德珊 (卓德珊.) [1] | 傅晨 (傅晨.) [2] | 冯冠雄 (冯冠雄.) [3]

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CQVIP

Abstract:

新一代视频编码标准HEVC相比于H.264该编码方式提高了近50%的压缩效率.该标准中采用了CABAC(Context-based Adaptive Binary Arithmetic Coding)作为熵编码的唯一标准,CABAC具有较高的复杂度,因此CABAC的编码速度对HEVC低延迟的实时编码有积极意义.本文则设计了一种低延迟的CABAC编码方法,通过查找表的方式来确定CG(Coefficient Group)之间扫描位置的索引和CG内部之间变换系数扫描位置的索引,并使用内联函数对熵编码中部分函数进行优化.仿真结果表明,相比于HM16.7,本文编码方法速度节省了90.44%左右,相比于X265编码时间节省了3.76%.

Keyword:

CABAC 内联函数 高效视频编码

Community:

  • [ 1 ] [卓德珊]福州大学
  • [ 2 ] [傅晨]福州大学
  • [ 3 ] [冯冠雄]福州大学

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ISSN: 2096-806X

CN: 10-1686/TN

Year: 2020

Issue: 3

Volume: 27

Page: 101-106

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 4

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